Robotic exoskeleton gears up for World Cup debut - video

Researchers put a mind-controlled robotic exoskeleton through its paces at a laboratory in Sao Paulo, Brazil, in preparation for its debut at the World Cup. The exoskeleton was designed by an international team as part of the Walk Again project and was built by Gordon Cheng at the Technical University in Munich. The user wears a cap fitted with electrodes to pick up their brain waves. These signals are passed to a computer in a backpack, where they are decoded and used to move hydraulic drivers that power the exoskeleton